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rename CMOV_IS_FAST to HAVE_FAST_CMOV and simplify configure

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Originally committed as revision 7729 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2007-01-27 14:10:57 +00:00
parent 1ac9331a8f
commit 7073e9fc69
2 changed files with 8 additions and 11 deletions
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13
configure vendored
View File

@ -480,6 +480,7 @@ HAVE_LIST='
dev_video_bktr_ioctl_bt848_h
dlfcn_h
dlopen
fast_cmov
freetype2
gprof
imlib2
@ -589,7 +590,7 @@ cpu="generic"
powerpc_perf="no"
mmx="default"
cmov="no"
cmov_is_fast="no"
fast_cmov="no"
armv5te="default"
armv6="default"
iwmmxt="default"
@ -1367,13 +1368,13 @@ if test $cpu != "generic"; then
i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
add_cflags "-march=$cpu"
cmov="yes"
cmov_is_fast="yes"
fast_cmov="yes"
;;
# targets that do support conditional mov but on which it's slow
pentium4|prescott|nocona)
add_cflags "-march=$cpu"
cmov="yes"
cmov_is_fast="no"
fast_cmov="no"
;;
sparc64)
add_cflags "-mcpu=v9"
@ -1859,7 +1860,7 @@ echo "big-endian $bigendian"
if test $arch = "x86_32" -o $arch = "x86_64"; then
echo "MMX enabled $mmx"
echo "CMOV enabled $cmov"
echo "CMOV is fast $cmov_is_fast"
echo "CMOV is fast $fast_cmov"
fi
if test $arch = "armv4l"; then
echo "ARMv5TE enabled $armv5te"
@ -1999,10 +2000,6 @@ fi
if enabled mmx; then
echo "#define __CPU__ 586" >> $TMPH
fi
if enabled cmov_is_fast; then
echo "TARGET_CMOV_IS_FAST=yes" >> config.mak
echo "#define CMOV_IS_FAST 1" >> $TMPH
fi
if enabled sdl; then
echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak

6
libavcodec/cabac.h
View File

@ -462,7 +462,7 @@ static int av_always_inline get_cabac_inline(CABACContext *c, uint8_t * const st
#else /* BRANCHLESS_CABAC_DECODER */
#if defined CMOV_IS_FAST
#if defined HAVE_FAST_CMOV
#define BRANCHLESS_GET_CABAC_UPDATE(ret, cabac, statep, low, lowword, range, tmp, tmpbyte)\
"mov "tmp" , %%ecx \n\t"\
"shl $17 , "tmp" \n\t"\
@ -472,7 +472,7 @@ static int av_always_inline get_cabac_inline(CABACContext *c, uint8_t * const st
"and %%ecx , "tmp" \n\t"\
"sub "tmp" , "low" \n\t"\
"xor %%ecx , "ret" \n\t"
#else /* CMOV_IS_FAST */
#else /* HAVE_FAST_CMOV */
#define BRANCHLESS_GET_CABAC_UPDATE(ret, cabac, statep, low, lowword, range, tmp, tmpbyte)\
"mov "tmp" , %%ecx \n\t"\
"shl $17 , "tmp" \n\t"\
@ -485,7 +485,7 @@ static int av_always_inline get_cabac_inline(CABACContext *c, uint8_t * const st
"and "tmp" , %%ecx \n\t"\
"sub %%ecx , "low" \n\t"\
"xor "tmp" , "ret" \n\t"
#endif /* CMOV_IS_FAST */
#endif /* HAVE_FAST_CMOV */
#define BRANCHLESS_GET_CABAC(ret, cabac, statep, low, lowword, range, tmp, tmpbyte)\